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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 545-553 
    ISSN: 0044-2313
    Keywords: Cyclotetraphosphazenes ; [3]ferrocenophanes ; NMR spectra ; crystal structures ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 1,1′-Ferrocene Dichalcogenato Derivatives of Octachloro-cyclotetraphosphazeneMononuclear 1,1′-ferrocenedichalcogenato derivatives of octachloro-cyclotetraphosphazene, fcE2[P4N4Cl6] (E = O (12), S (13), Se (14), have been prepared and characterized by 1H, 13C and 31P NMR spectroscopy as well as mass spectrometry.1) The molecular structures of 12--14 were determined by X-ray crystallography. While the 11′-ferrocene diolato complex, fcO2[P4N4Cl6] (12), possesses a 1,3-transannular bridged structure, the dithiolato and diselenolato analogues, 13 and 14, are spiro compounds containing 1,3-dichalcogena-2-phospha-[3]ferrocenophane rings. According to their temperature-dependent NMR spectra, 13 and 14 are nonrigid molecules above room temperature in solution.
    Notes: Es wurden einkernige 1,1′-Ferrocendichalkogenato-Derivate des Oktachlor-cyclotetraphosphazens, fcE2[P4N4Cl6] (E = O (12), S (13), Se (14), dargestellt und mit Hilfe der 1H-, 13C- und 31P-NMR-Spektroskopie sowie der Massenspektrometrie charakterisiert.1) Die Molekülstrukturen von 12-14 wurden durch Röntgenstrukturanalysen bestimmt. Während der 1,1′-Ferrocendiolato-Komplex, fcO2[P4N4Cl6] (12), eine 1,3-transannular verbrückte Struktur besitzt, sind die Dithiolato- und Diselenolato-Analoga, 13 und 14, Spiroverbindungen mit l,3-Dichalkogena-2-phos pha-[3]ferrocenophan-Ringen. Entsprechend den temperaturabhängigen NMR-Spektren sind 13 und 14 oberhalb Raumtemperatur in Lösung nichtstarre Moleküle.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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